CUNO Inc., of Meriden, Conn., introduces a new drinking water system that includes a drinking water faucet, all-installation hardware, and a starter cartridge that delivers bottled water quality straight from the tap. A unique feature is that its performance can be upgraded to provide longer cartridge life and/or superior levels of filtration by simply installing any of four upgrade cartridges. The system offers homeown-ers maximum performance potential while minimizing builders’ cost.